/*

* Copyright (c) 2002 - 2007 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  test functions for alftexturegroup.h

*

*/

// [INCLUDE FILES]

#include <alf/alftexturegroup.h>

#include <alf/alfbitmapprovider.h>

#include "testplatalfvisual.h"

// CONSTANTS

const TInt KProvidedBitmapWidth = 64;

const TInt KProvidedBitmapHeight = 64;

const TInt KTextureNum = 3;

// FORWARD DECLARATION

// CTestBmpProvider for testing methods of CAlfTextureGroup

class CTestBmpProvider : public CBase, public MAlfBitmapProvider

    {

public:

    /**

     * Provide a bitmap and mask from the given UID.

     * This method should create a bitmap and its mask, usually by loading it from disk.

     */

    void ProvideBitmapL(TInt /*aId*/, CFbsBitmap*& aBitmap, CFbsBitmap*& aBitmapMask)

        {

        aBitmap = new ( ELeave ) CFbsBitmap;

        aBitmapMask = new ( ELeave ) CFbsBitmap;

        TSize providedBitmapSize( KProvidedBitmapWidth, KProvidedBitmapHeight );

        aBitmap->Create( providedBitmapSize, EColor64K );

        aBitmapMask->Create( providedBitmapSize, EGray256 );

        }

    };

// CTestTextureGroupObserver for testing methods of CAlfTextureGroup

class CTestTextureGroupObserver : public CBase, public MAlfTextureGroupLoadingCompletedObserver

    {

public:

    /**

     * Constructor

     */

    CTestTextureGroupObserver() : iObservedTexturegroup( NULL ) {}

    /**

     * From MAlfTextureGroupLoadingCompletedObserver

     */

    void TextureGroupLoadingCompleted( CAlfTextureGroup& aTextureGroup, TInt /*aErrorCode*/ )

        {

        iObservedTexturegroup = &aTextureGroup;

        }

public:

    /**

     * OWN: Group of textures that has been loaded

     */

    CAlfTextureGroup* iObservedTexturegroup;

    };

// ============================ MEMBER FUNCTIONS ===============================

// -----------------------------------------------------------------------------

// CTestPlatAlfVisual::TestTxtGroupNewL

// -----------------------------------------------------------------------------

//

TInt CTestPlatAlfVisual::TestTxtGroupNewL( CStifItemParser& /*aItem*/ )

    {

    // Print to UI

    _LIT( KTestPlatAlfVisual, "TestPlatAlfVisual" );

    _LIT( KTestTxtGroupNewL, "TestTxtGroupNewL" );

    TestModuleIf().Printf( 0, KTestPlatAlfVisual, KTestTxtGroupNewL );

    // Print to log file

    iLog->Log( KTestTxtGroupNewL );

    CAlfTextureGroup* txtGroup = CAlfTextureGroup::NewL( *iAlfEnv );

    CleanupStack::PushL( txtGroup );

    STIF_ASSERT_NOT_NULL( txtGroup );

    CleanupStack::PopAndDestroy( txtGroup );

    return KErrNone;

    }

// -----------------------------------------------------------------------------

// CTestPlatAlfVisual::TestTxtGroupNewLCL

// -----------------------------------------------------------------------------

//

TInt CTestPlatAlfVisual::TestTxtGroupNewLCL( CStifItemParser& /*aItem*/ )

    {

    // Print to UI

    _LIT( KTestPlatAlfVisual, "TestPlatAlfVisual" );

    _LIT( KTestTxtGroupNewLCL, "TestTxtGroupNewLCL" );

    TestModuleIf().Printf( 0, KTestPlatAlfVisual, KTestTxtGroupNewLCL );

    // Print to log file

    iLog->Log( KTestTxtGroupNewLCL );

    CAlfTextureGroup* txtGroup = CAlfTextureGroup::NewLC( *iAlfEnv );

    STIF_ASSERT_NOT_NULL( txtGroup );

    CleanupStack::PopAndDestroy( txtGroup );

    return KErrNone;

    }

// -----------------------------------------------------------------------------

// CTestPlatAlfVisual::TestTxtGroupTextureMethodsL

// -----------------------------------------------------------------------------

//

TInt CTestPlatAlfVisual::TestTxtGroupTextureMethodsL( CStifItemParser& /*aItem*/ )

    {

    // Print to UI

    _LIT( KTestPlatAlfVisual, "TestPlatAlfVisual" );

    _LIT( KTestTxtGroupTextureMethodsL, "TestTxtGroupTextureMethodsL" );

    TestModuleIf().Printf( 0, KTestPlatAlfVisual, KTestTxtGroupTextureMethodsL );

    // Print to log file

    iLog->Log( KTestTxtGroupTextureMethodsL );

    CAlfTextureGroup* txtGroup = CAlfTextureGroup::NewL( *iAlfEnv );

    CleanupStack::PushL( txtGroup );

    STIF_ASSERT_NOT_NULL( txtGroup );

    STIF_ASSERT_EQUALS( 0, txtGroup->Count() );

    CTestBmpProvider* bmpProvider = new ( ELeave ) CTestBmpProvider;

    CleanupStack::PushL( bmpProvider );

    STIF_ASSERT_NOT_NULL( bmpProvider );

    CAlfTextureManager& textureMgr = iAlfEnv->TextureManager();

    CAlfTexture& firstTexture = textureMgr.CreateTextureL(

            KAlfAutoGeneratedTextureId, bmpProvider, EAlfTextureFlagDefault );

    CAlfTexture& secondTexture = textureMgr.CreateTextureL(

            KAlfAutoGeneratedTextureId, bmpProvider, EAlfTextureFlagDefault );

    CAlfTexture& thirdTexture = textureMgr.CreateTextureL(

            KAlfAutoGeneratedTextureId, bmpProvider, EAlfTextureFlagDefault );

    // Add one texture

    txtGroup->AddTextureL( firstTexture );

    STIF_ASSERT_EQUALS( 1, txtGroup->Count() );

    STIF_ASSERT_EQUALS( &firstTexture, &txtGroup->Texture( 0 ) );

    // Try adding first texture again (it should not increase count)

    txtGroup->AddTextureL( firstTexture );

    STIF_ASSERT_EQUALS( 1, txtGroup->Count() );

    txtGroup->AddTextureL( secondTexture );

    STIF_ASSERT_EQUALS( 2, txtGroup->Count() );

    STIF_ASSERT_EQUALS( &firstTexture, &txtGroup->Texture( 0 ) );

    STIF_ASSERT_EQUALS( &secondTexture, &txtGroup->Texture( 1 ) );

    txtGroup->AddTextureL( thirdTexture );

    STIF_ASSERT_EQUALS( KTextureNum, txtGroup->Count() );

    STIF_ASSERT_EQUALS( &firstTexture, &txtGroup->Texture( 0 ) );

    STIF_ASSERT_EQUALS( &secondTexture, &txtGroup->Texture( 1 ) );

    STIF_ASSERT_EQUALS( &thirdTexture, &txtGroup->Texture( 2 ) );

    // Try adding first texture again (it should not increase count)

    txtGroup->AddTextureL( firstTexture );

    STIF_ASSERT_EQUALS( KTextureNum, txtGroup->Count() );

    txtGroup->RemoveTexture( secondTexture );

    STIF_ASSERT_EQUALS( &firstTexture, &txtGroup->Texture( 0 ) );

    STIF_ASSERT_EQUALS( &thirdTexture, &txtGroup->Texture( 1 ) );

    STIF_ASSERT_EQUALS( 2, txtGroup->Count() );

    // add removed back

    txtGroup->AddTextureL( secondTexture );

    STIF_ASSERT_EQUALS( KTextureNum, txtGroup->Count() );

    // Remove succesful first texture

    txtGroup->RemoveTexture( firstTexture );

    STIF_ASSERT_EQUALS( 2, txtGroup->Count() );

    // Try to remove texture which does not exist (unsuccesful)

    txtGroup->RemoveTexture( firstTexture );

    STIF_ASSERT_EQUALS( 2, txtGroup->Count() );

    // Remove succesful last texture of array

    txtGroup->RemoveTexture( thirdTexture );

    STIF_ASSERT_EQUALS( 1, txtGroup->Count() );

    // Remove succesful last texture 

    txtGroup->RemoveTexture( secondTexture );

    STIF_ASSERT_EQUALS( 0, txtGroup->Count() );

    // Remove from empty group (unsuccesful)

    txtGroup->RemoveTexture( secondTexture );

    STIF_ASSERT_EQUALS( 0, txtGroup->Count() );

    CleanupStack::PopAndDestroy( bmpProvider );

    CleanupStack::PopAndDestroy( txtGroup );

    return KErrNone;

    }

// -----------------------------------------------------------------------------

// CTestPlatAlfVisual::TestTxtGroupIsLoadingCompletedL

// -----------------------------------------------------------------------------

//

TInt CTestPlatAlfVisual::TestTxtGroupIsLoadingCompletedL( CStifItemParser& /*aItem*/ )

    {

    // Print to UI

    _LIT( KTestPlatAlfVisual, "TestPlatAlfVisual" );

    _LIT( KTestTxtGroupIsLoadingCompletedL, "TestTxtGroupIsLoadingCompletedL" );

    TestModuleIf().Printf( 0, KTestPlatAlfVisual, KTestTxtGroupIsLoadingCompletedL );

    // Print to log file

    iLog->Log( KTestTxtGroupIsLoadingCompletedL );

    CAlfTextureGroup* txtGroup = CAlfTextureGroup::NewL( *iAlfEnv );

    CleanupStack::PushL( txtGroup );

    STIF_ASSERT_NOT_NULL( txtGroup );

    STIF_ASSERT_FALSE( txtGroup->IsLoadingCompleted() );

    CAlfTextureManager& textureMgr = iAlfEnv->TextureManager();

    CTestBmpProvider* bmpProvider = new ( ELeave ) CTestBmpProvider;

    CleanupStack::PushL( bmpProvider );

    STIF_ASSERT_NOT_NULL( bmpProvider );

    CAlfTexture& firstTexture = textureMgr.CreateTextureL(

                    KAlfAutoGeneratedTextureId, bmpProvider, EAlfTextureFlagDefault );

    // Add one texture that has content

    txtGroup->AddTextureL( firstTexture );

    txtGroup->IsLoadingCompleted();

    // Unload texture content

    textureMgr.UnloadTexture( firstTexture.Id() );

    txtGroup->IsLoadingCompleted();

    // restore texture content

    textureMgr.UpdateTextureFromBitmapL( firstTexture.Id() );

    txtGroup->IsLoadingCompleted();

    CleanupStack::PopAndDestroy( bmpProvider );

    CleanupStack::PopAndDestroy( txtGroup );

    return KErrNone;

    }

// -----------------------------------------------------------------------------

// CTestPlatAlfVisual::TestTxtGroupObserverMethodsL

// -----------------------------------------------------------------------------

//

TInt CTestPlatAlfVisual::TestTxtGroupObserverMethodsL( CStifItemParser& /*aItem*/ )

    {

    // Print to UI

    _LIT( KTestPlatAlfVisual, "TestPlatAlfVisual" );

    _LIT( KTestTxtGroupObserverMethodsL, "TestTxtGroupObserverMethodsL" );

    TestModuleIf().Printf( 0, KTestPlatAlfVisual, KTestTxtGroupObserverMethodsL );

    // Print to log file

    iLog->Log( KTestTxtGroupObserverMethodsL );

    CAlfTextureGroup* txtGroup = CAlfTextureGroup::NewL( *iAlfEnv );

    CleanupStack::PushL( txtGroup );

    STIF_ASSERT_NOT_NULL( txtGroup );

    CTestTextureGroupObserver* testObserver = new ( ELeave ) CTestTextureGroupObserver;

    CleanupStack::PushL( testObserver );

    STIF_ASSERT_NOT_NULL( testObserver );

    txtGroup->AddLoadObserverL( *testObserver );

    txtGroup->RemoveLoadObserver( *testObserver );

    txtGroup->RemoveLoadObserver( *testObserver );

    txtGroup->AddLoadObserverL( *testObserver );

    txtGroup->RemoveLoadObserver( *testObserver );

    CAlfTextureManager& textureMgr = iAlfEnv->TextureManager();

    CTestBmpProvider* bmpProvider = new ( ELeave ) CTestBmpProvider;

    CleanupStack::PushL( bmpProvider );

    STIF_ASSERT_NOT_NULL( bmpProvider );

    CAlfTexture& firstTexture = textureMgr.CreateTextureL(

                    KAlfAutoGeneratedTextureId, bmpProvider, EAlfTextureFlagDefault );

    // Add one texture that has content

    txtGroup->AddTextureL( firstTexture );

    // Unload texture content

    textureMgr.UnloadTexture( firstTexture.Id() );

    testObserver->iObservedTexturegroup = NULL;

    // restore texture content

    textureMgr.UpdateTextureFromBitmapL( firstTexture.Id() );

    txtGroup->AddLoadObserverL( *testObserver );

    // Add one texture that has content

    txtGroup->AddTextureL( firstTexture );

    // Unload texture content

    textureMgr.UnloadTexture( firstTexture.Id() );

    testObserver->iObservedTexturegroup = NULL;

    // restore texture content

    textureMgr.UpdateTextureFromBitmapL( firstTexture.Id() );

    // Unload texture content

    textureMgr.UnloadTexture( firstTexture.Id() );

    testObserver->iObservedTexturegroup = NULL;

    // Disable observing

    txtGroup->EnableLoadObservers( EFalse );

    // restore texture content

    textureMgr.UpdateTextureFromBitmapL( firstTexture.Id() );

    // Unload texture content

    textureMgr.UnloadTexture( firstTexture.Id() );

    testObserver->iObservedTexturegroup = NULL;

    // Enable observing

    txtGroup->EnableLoadObservers( ETrue );

    // restore texture content

    textureMgr.UpdateTextureFromBitmapL( firstTexture.Id() );

    txtGroup->RemoveLoadObserver( *testObserver );

    CleanupStack::PopAndDestroy( bmpProvider );

    CleanupStack::PopAndDestroy( testObserver );

    CleanupStack::PopAndDestroy( txtGroup );

    return KErrNone;

    }

//  [End of File]